CN208656530U - Coil winding of motor stator - Google Patents
Coil winding of motor stator Download PDFInfo
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- CN208656530U CN208656530U CN201821302722.2U CN201821302722U CN208656530U CN 208656530 U CN208656530 U CN 208656530U CN 201821302722 U CN201821302722 U CN 201821302722U CN 208656530 U CN208656530 U CN 208656530U
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- motor stator
- stator
- coil winding
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- 238000004804 winding Methods 0.000 title claims abstract description 39
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000012790 confirmation Methods 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 abstract description 7
- 239000010949 copper Substances 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 239000011295 pitch Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920006361 Polyflon Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Windings For Motors And Generators (AREA)
Abstract
The utility model provides a kind of coil winding of motor stator.Using flat type copper wire coiling, coil winding of motor stator has first straight line, second straight line, and the end of connection first straight line and second straight line.End includes lower layer at, upper layer and nose.Lower layer's side tiltable setting, and it is connected to one end of first straight line；Angle between lower layer side and the normal plane of first straight line is the first angle α.Upper layer side is also obliquely installed, and is connected to one end of second straight line；Angle between upper layer side and the normal plane of second straight line is the second angle β.Nose, connection upper layer while and when lower layer.Difference between first angle α and the second angle β is 5 to 10 °.The knuckle between the bevel edge of end is increased, the breakage rate of flat type copper wire insulation is reduced；B. the copper factor for improving motor stator, reduces end copper consumption, reduces loss.It can also accurately predict stator winding modeling parameters, compression motor axial arrangement size.
Description
Technical field
The utility model relates to electric machine structure fields, more particularly to a kind of coil winding of motor stator.
Background technique
Narrow in order to adapt to new-energy automobile driving motor installation space, power density requirements are higher.Traditional handicraft uses
Round wire makes stator winding, and copper factor is lower, is unable to satisfy the requirement of New energy automobile motor high power density and efficiency,
Therefore copper factor and the higher flat type copper wire of power density are used as stator winding and has become development trend.Current flat copper line winding group
Molding mode is unable to satisfy the production forming requirements of voltage levels film packet flat type copper wire, according to traditional around composing type mode, film
Packet flat type copper wire since the ductility of film is relatively poor, in forming process if design it is not reasonable will make conductor insulation damage layer compared with
Greatly.Utilize the method for parameter optimization winding shape accurately predicted there is presently no a kind of, that is to say, that current square conductor around
Group still is explored to obtain coil using multiple engineer testing, the size of adjustment tooling device.The coil obtained in this way is difficult to reality
Now optimize.
Utility model content
The purpose of the utility model is to overcome at least one defects of existing motor, provide a kind of motor stator winding line
Circle, greatly reduces the phenomenon of film envelope curve insulating layer breakage, improves motor integral insulation performance；And by inclination angle,
The derivations of equation such as gap can quickly calculate the relative dimensions of coil.
Specifically, the utility model proposes a kind of coil winding of motor stator, the coil winding of motor stator is used
Flat type copper wire coiling, which is characterized in that the coil winding of motor stator has first straight line, second straight line, and connection
The end of the first straight line and the second straight line；Distance of the first straight line apart from motor stator center is less than
Or the distance equal to the second straight line apart from the motor stator center；And the end includes:
Lower layer side, is obliquely installed, and is connected to one end of the first straight line；The lower layer side and the first straight line
Angle between the normal plane in portion is the first angle α；
Upper layer side, is obliquely installed, and is connected to one end of the second straight line；The upper layer side and the second straight line
Angle between the normal plane in portion is the second angle β；With
Nose, connect the upper layer while and when the lower layer, and the nose and the upper layer while and when lower layer it is equal
It is tangent；And
Difference between first angle α and the second angle β is 5 to 10 °.
Further, first angle α is less than the second angle β.
Further, the gap between the lower layer side of adjacent flat type copper wire is δ=A*sin (α)-b, wherein
A be center on the motor stator between adjacent two stator slot away from；The stator slot is for accommodating the flat type copper wire；
B is the width of the flat type copper wire.
Further, the value range of first angle α is 30 ° to 40 °.
Further, the lower layer is at, the upper layer and the outer surface of the nose is provided with film envelope curve insulating layer,
And it is set to the insulating sleeve on the outside of the film envelope curve insulating layer.
Further, the stator slot of the motor stator where the first straight line is the first stator slot, described the
The stator slot of the motor stator where two straight line portions is the second stator slot；
On the basis of the first straight line, the distance between first stator slot and second stator slot are first
Pitch；
On the basis of the second straight line, the distance between first stator slot and second stator slot are second
Pitch；
First angle α calculates confirmation by following formula:
α=arccos (b1/s1), wherein s1 be the lower layer side length, b1 be the first segment away from half；
The second angle β calculates confirmation by following formula:
β=arccos (b2/s2), wherein s2 is the length on the upper layer side, and b2 is the half of second pitch.
The coil winding of motor stator of the utility model, since winding overhang bevel edge uses different angular dimension relationships,
In the case where same end height, increase around composing type rear end fillet, greatly reduces showing for film envelope curve insulating layer breakage
As improving motor integral insulation performance, and by derivations of equation such as inclination angle, gaps, can quickly calculate the correlation of coil
Size.
According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more
Add the above-mentioned and other purposes, advantages and features of clear the utility model.
Detailed description of the invention
Some specific realities of the utility model are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter
Apply example.Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that
The drawings are not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram according to the coil winding of motor stator of the utility model one embodiment；
Fig. 2 is the signal shaft side figure according to the coil winding of motor stator of the utility model one embodiment；
Fig. 3 is the schematic structure that stator slot is inserted into according to the coil winding of motor stator of the utility model one embodiment
Figure；
Fig. 4 is the schematic structure according to the tool of the utility model one embodiment there are two coil winding of motor stator
Figure；
Fig. 5 is tool the showing there are two coil winding of motor stator insertion stator slot according to the utility model one embodiment
Meaning property structure chart；
There are two the another of coil winding of motor stator insertion stator slot according to the tool of the utility model one embodiment by Fig. 6
The schematic diagram at visual angle.
Specific embodiment
Fig. 1 is the schematic diagram according to the coil winding of motor stator of the utility model one embodiment.Such as Fig. 1 institute
Show and referring to figs. 2 to Fig. 6, the utility model embodiment provides a kind of coil winding of motor stator, coil winding of motor stator
Using flat type copper wire coiling.Coil winding of motor stator has first straight line 20, second straight line 40, and connection first straight line
Portion 20 and the end of second straight line 40 30；Distance of the first straight line 20 apart from 50 center of motor stator is less than or equal to second
Distance of the straight line portion 40 apart from 50 center of motor stator.End 30 includes lower layer at 31, upper layer 32 and nose 33.Lower layer side 31
Tiltable setting, and it is connected to one end of first straight line 20；Angle between lower layer side 31 and the normal plane of first straight line 20
For the first angle α.Upper layer side 32 is also obliquely installed, and is connected to one end of second straight line 40；Upper layer side 32 and second straight line
Angle between the normal plane in portion 40 is the second angle β.Nose 33 connects upper layer at 32 and lower layer 31, and nose 33 and upper layer
At 32 and lower layer, 31 is tangent.Difference between first angle α and the second angle β is 5 to 10 °.
50 winding coil of motor stator of the utility model embodiment increases the knuckle between 30 bevel edge of end, reduces
The breakage rate of flat type copper wire insulation；The copper factor of motor stator 50 is improved, 30 copper consumption of end is reduced, reduces loss.Further
Ground can also accurately predict stator winding modeling parameters, compression motor axial arrangement size.
In some preferred embodiments of the utility model, the first angle α is less than the second angle β.First angle α takes
Being worth range is 30 ° to 40 °.
The stator slot of motor stator 50 where first straight line 20 is the first stator slot, the electricity where second straight line 40
The stator slot of machine stator 50 is the second stator slot；On the basis of first straight line 20, between the first stator slot and the second stator slot
Distance be first segment away from；On the basis of second straight line 40, the distance between the first stator slot and the second stator slot are second
Pitch.
The length of end 30 is depending on stator outer circle and coil spread, if it is considered that motor temperature rise meets inserting-coil process
It is more shorter better in the case where it is required that.First angle α calculates confirmation by following formula, that is to say, that the first angle α exists as follows
Relationship: α=arccos (b1/s1), wherein s1 be lower layer side 31 length, b1 be first segment away from half.Existed according to the relationship
Stator winding modeling parameters can accurately be predicted by knowing under partial condition.Similarly, the second angle β is calculated true by following formula
Recognize: β=arccos (b2/s2), wherein s2 is the length on upper layer side 32, and b2 is the half of the second pitch.
Gap between the lower layer side 31 of adjacent flat type copper wire, between also referred to as adjacent 50 winding coil of motor stator
Gap is δ=A*sin (α)-b, wherein A be center on motor stator 50 between adjacent two stator slot away from；Stator slot is for accommodating
Flat type copper wire；B is the width of flat type copper wire.Body, in the stator with 60 slots, there are the following sizes: s1=29.7mm, b1=
24.4mm, α=35 °；S2=28.5mm, b2=20.4mm, β=44 °；A=10mm, b=5.24mm, δ=A*sin (α)-b=
1.5mm.In design, according to the stator groove profile and core length of motor stator 50, first straight line 20 and second can be first determined
Then the size of straight line portion 40 determines corresponding bevel edge angle and ruler according to relative dimensions such as first-pitch of coil, the second pitches
The size of air-gap size between very little and adjacent windings.
Further, lower layer at 31, upper layer 32 and the outer surface of nose 33 be provided with film envelope curve insulating layer, Yi Jishe
The insulating sleeve being placed on the outside of film envelope curve insulating layer.Insulating sleeve squeeze sintering using the high-quality polyflon of import and
At with high temperature resistant, corrosion-resistant, wear-resisting, water-fast, oil resistant, not easy damaged or aging, good self-lubrication.
So far, although those skilled in the art will appreciate that the more of the utility model have been shown and described in detail herein
A exemplary embodiment still, still can be according to the utility model public affairs in the case where not departing from the spirit and scope of the utility model
The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this is practical new
The range of type is understood that and regards as to cover all such other variations or modifications.
Claims (6)
1. a kind of coil winding of motor stator, the coil winding of motor stator uses flat type copper wire coiling, which is characterized in that described
Coil winding of motor stator has first straight line, second straight line, and the connection first straight line and described second is directly
The end in line portion；Distance of the first straight line apart from motor stator center is less than or equal to the second straight line apart from institute
State the distance at motor stator center；And the end includes:
Lower layer side, is obliquely installed, and is connected to one end of the first straight line；The lower layer side and the first straight line
Angle between normal plane is the first angle α；
Upper layer side, is obliquely installed, and is connected to one end of the second straight line；The upper layer side and the second straight line
Angle between normal plane is the second angle β；With
Nose, connect the upper layer while and when the lower layer, and the nose and the upper layer while and when lower layer it is tangent；
And
Difference between first angle α and the second angle β is 5 to 10 °.
2. coil winding of motor stator according to claim 1, which is characterized in that
First angle α is less than the second angle β.
3. coil winding of motor stator according to claim 2, which is characterized in that
Gap between the lower layer side of adjacent flat type copper wire is δ=A*sin (α)-b, wherein
A be center on the motor stator between adjacent two stator slot away from；The stator slot is for accommodating the flat type copper wire；
B is the width of the flat type copper wire.
4. coil winding of motor stator according to claim 2, which is characterized in that
The value range of first angle α is 30 ° to 40 °.
5. coil winding of motor stator according to claim 2, which is characterized in that
The lower layer is at, the upper layer and the outer surface of the nose is provided with film envelope curve insulating layer, and is set to institute
State the insulating sleeve on the outside of film envelope curve insulating layer.
6. coil winding of motor stator according to claim 1, which is characterized in that
The stator slot of the motor stator where the first straight line is the first stator slot, where the second straight line
The stator slot of the motor stator is the second stator slot；
On the basis of the first straight line, the distance between first stator slot and second stator slot are first segment
Away from；
On the basis of the second straight line, the distance between first stator slot and second stator slot are the second section
Away from；
First angle α calculates confirmation by following formula:
α=arccos (b1/s1), wherein s1 be the lower layer side length, b1 be the first segment away from half；
The second angle β calculates confirmation by following formula:
β=arccos (b2/s2), wherein s2 is the length on the upper layer side, and b2 is the half of second pitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821302722.2U CN208656530U (en) | 2018-08-14 | 2018-08-14 | Coil winding of motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821302722.2U CN208656530U (en) | 2018-08-14 | 2018-08-14 | Coil winding of motor stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208656530U true CN208656530U (en) | 2019-03-26 |
Family
ID=65789524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821302722.2U Active CN208656530U (en) | 2018-08-14 | 2018-08-14 | Coil winding of motor stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208656530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932716A (en) * | 2021-11-11 | 2022-01-14 | 四川九洲电器集团有限责任公司 | Large-scale motor coil detection device and detection method |
-
2018
- 2018-08-14 CN CN201821302722.2U patent/CN208656530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932716A (en) * | 2021-11-11 | 2022-01-14 | 四川九洲电器集团有限责任公司 | Large-scale motor coil detection device and detection method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240920 Address after: No. 57 Shennan Road, Maditou Village, Dayang Street, Linhai City, Taizhou City, Zhejiang Province (self declared) Patentee after: Keren Electric Technology (Zhejiang) Co.,Ltd. Country or region after: China Address before: 310018 rooms 1001-1002 and 1011-1018, building 17, No. 57, kejiyuan Road, Baiyang street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: ZHEJIANG TAIYUN AUTOMOTIVE TECHNOLOGY Co.,Ltd. Country or region before: China |